Sample Model

Sample Model

When you install erwin® Data Modeler, two sample models, eMovies and PublicationSystemSample are installed. Use these models as examples to learn data modeling and to learn how to use the tool.

These models are available in the following folder:

<install folder>\erwin\Data Modeler r9\BackupFiles\Samples\Standard

Note: If you access the sample model from the install folder, you must run the data modeling tool as an administrator to open the eMovies model.

eMovies

The business requirements of this model are as follows:

• Manage employee details
• Manage store details
• Manage movie details
• Manage copies of movies
• Manage customer details
• Maintain movie rental details for customers
• Record payment details for rented movies
• Display the credit status of customers
• Generate invoices for customers
• Display overdue details for customers
• Search for customers
• Search for movies that are rented based on the rented date, customer phone number, employee number, or movie number

Apart from entities, attributes, and relationships, this model serves as an example for the following features:

• Domains
• Logical Model
• Subject Area
• Annotation
• Key Groups
• ER Diagrams
• Naming Standards Object
• Data Type Standards Object
• Themes
• Validation Rules

PublicationSystemSample

The PublicationSystemSample model provides an example of a book publication company.

The business requirements of this model are as follows:

• Diagrams
  The Diagrams can be easily shared with other project team members by exporting them to .EMF format during project analysis. The diagrams also support project communication using the Report Designer and different diagram presentation options while viewing models in the erwin Web Portal.
• Documentation
  This object serves as an example for the following features:
  • Model
  • Diagram
  • Subject Area
  • Entity
  • Attribute
• Theme override options
• Diagram Annotations